Connecticut State Senate District 20
Tue, Nov 3 · Represented by Martha Marx Democratic · Member list as of Oct 28
Lee ElciRepublicanMartha MarxDemocratic · Incumbent4 years since first win
No published poll names both candidates.Last result · 2024 general: Martha Marx (D) 56.2, Shaun Mastroianni (R) 43.9
- Last election
- Martha Marx (Democratic) won by 12.3 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: ElciRight column: Marx
- Donor-based spectrum
- LiberalCentristConservativeMarxNo published score for Elci
- Races
- None listed
- Won 2 of 4
- Years since first win
- Not available
- 4
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Martha MarxIncumbentDemocratic(Democratic, Working Families Party)
- Lee ElciRepublican(Republican, Independent Party)
Source: portal.ct.gov, dated Oct 28
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- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
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Official results for Connecticut
History (29 elections for this seat)
- Votes for listed candidates
- 49,621
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Connecticut Senate District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share DemocraticMartha MarxWon Democratic 27,86456.1% RepublicanShaun Mastroianni Republican 21,75743.9% - Votes for listed candidates
- 37,713
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Connecticut Senate District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share DemocraticMartha MarxWon Democratic 19,71252.3% RepublicanJerry Labriola Jr. Republican 18,00147.7% - Votes for listed candidates
- 50,769
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanPaul M. FormicaWon(incumbent) Republican 25,68050.6% DemocraticMartha Marx Democratic 24,50348.3% OtherJoseph Taraya Other 5861.1% - Votes for listed candidates
- 39,910
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanPaul M. FormicaWon(incumbent) Republican 20,74652.0% DemocraticMartha E. Marx Democratic 19,16448.0% - Votes for listed candidates
- 44,262
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 20, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanPaul M. FormicaWon(incumbent) Republican 26,50159.9% DemocraticRyan Henowitz Democratic 17,76140.1% - Votes for listed candidates
- 31,388
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 20, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share RepublicanPaul M. FormicaWon Republican 17,50755.8% DemocraticElizabeth B. Ritter Democratic 13,88144.2% - Votes for listed candidates
- 40,210
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Connecticut Senate District 20, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticAndrea L. StillmanWon(incumbent) Democratic 24,22260.2% RepublicanMike Doyle Republican 15,32338.1% LibertarianMarc Guttman Libertarian 6651.6% - Votes for listed candidates
- 32,042
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 20, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share DemocraticAndrea L. StillmanWon(incumbent) Democratic 20,34063.5% RepublicanDaniel Docker Republican 11,00334.3% LibertarianMarc Guttman Libertarian 6992.2% - Votes for listed candidates
- 44,055
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 20, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticAndrea L. StillmanWon(incumbent) Democratic 29,80867.7% RepublicanThomas C. Simones Republican 13,54730.8% LibertarianMarc L. Guttman Libertarian 7001.6% - Votes for listed candidates
- 32,208
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 20, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticAndrea L. StillmanWon(incumbent) Democratic 19,50760.6% RepublicanChristopher F. Oliveira Republican 12,70139.4% - Votes for listed candidates
- 39,733
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 20, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticAndrea L. StillmanWon Democratic 24,36261.3% RepublicanMark Diebolt Republican 15,37138.7% - Votes for listed candidates
- 28,726
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Connecticut Senate District 20, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon(incumbent) Democratic 17,70561.6% RepublicanJohn Leahy Republican 11,02138.4% - Votes for listed candidates
- 37,849
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 20, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon(incumbent) Democratic 25,83568.3% RepublicanG. Brian Vachris Republican 12,01431.7% - Votes for listed candidates
- 28,554
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 20, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon(incumbent) Democratic 16,14056.5% RepublicanRobert M. Pero Republican 12,41443.5% - Votes for listed candidates
- 37,333
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 20, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon(incumbent) Democratic 20,85355.9% RepublicanGregory P. Massad Republican 16,48044.1% - Votes for listed candidates
- 30,227
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 20, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon(incumbent) Democratic 17,56358.1% RepublicanRichard B. Johnston Republican 12,66441.9% - Votes for listed candidates
- 39,415
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Connecticut Senate District 20, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticMelodie PetersWon Democratic 22,28756.5% RepublicanRobert S. Tuneski Republican 16,45941.8% OtherJames A. Kontoleon Other 6691.7% - Votes for listed candidates
- 29,481
- Election day
- November 6, 1990
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 20, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share RepublicanLawrence J. BettencourtWon Republican 20,09468.2% DemocraticGeorge Sprecace Democratic 9,38731.8% - Votes for listed candidates
- 38,735
- Election day
- November 8, 1988
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 20, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticMark H. PowersWon(incumbent) Democratic 22,15457.2% RepublicanDorothy B. Leib Republican 16,58142.8% - Votes for listed candidates
- 27,961
- Election day
- November 4, 1986
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 20, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticMark Healey PowersWon Democratic 15,87556.8% RepublicanPierce F. Connair(incumbent) Republican 12,08643.2% - Votes for listed candidates
- 40,198
- Election day
- November 6, 1984
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 20, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanPierce F. ConnairWon Republican 20,51451.0% DemocraticPatricia T. Hendel Democratic 19,68449.0% - Votes for listed candidates
- 30,212
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1991)
Connecticut Senate District 20, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticRichard F. SchnellerWon(incumbent) Democratic 18,21460.3% RepublicanHenry J. Wyatt Republican 11,99839.7% - Votes for listed candidates
- 38,854
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 20, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticRichard F. SchnellerWon(incumbent) Democratic 21,76956.0% RepublicanSidney J. Holbrook Republican 17,08544.0% - Votes for listed candidates
- 29,885
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 20, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticRichard F. SchnellerWon(incumbent) Democratic 19,69365.9% RepublicanJoan C. Fenger Republican 10,19234.1% - Votes for listed candidates
- 38,416
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 20, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticRichard F. SchnellerWon(incumbent) Democratic 22,10657.5% RepublicanRaymond M. Turrell Republican 16,31042.5% - Votes for listed candidates
- 30,765
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 20, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticRichard F. SchnellerWon Democratic 17,11655.6% RepublicanMichael A. Rakosky Republican 13,64944.4% - Votes for listed candidates
- 37,318
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
Connecticut Senate District 20, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanPeter L. CashmanWon(incumbent) Republican 23,66063.4% DemocraticJoshua M. Fiero III Democratic 13,65836.6% - Votes for listed candidates
- 31,849
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Connecticut Senate District 20, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanPeter L. CashmanWon Republican 18,80459.0% DemocraticJoseph Trantino Democratic 13,04541.0% - Votes for listed candidates
- 36,576
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Connecticut Senate District 20, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanWilliam G. MooreWon Republican 18,72651.2% DemocraticJohn P. Janovic(incumbent) Democratic 17,85048.8%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). Connecticut State Senate District 20, election results 1968 to 2024. https://www.electionwrld.com/ct/senate/20. Retrieved October 31, 2026.
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Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:ct/sldu:20
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), MEDSL 2024 official precinct returnsData as of Oct 28, 2026